Deciphering the significance of [index: string] in TypeScript

Just starting out with Typescript here. Recently came across this code snippet in a project on GitHub - can someone explain its significance?

interface info {
  [index: string]: any;
}

Answer №1

Essentially, an Object Literal refers to an object created using curly brackets and can be specified using either type or interface. For a more detailed explanation, check out this resource. This type of object accepts pairs in the form of index: value, which have a data type of string:any. Here's an example:

let sampleObject: details = {
  key1: "some key",
  key2: 2,
  // ...
};

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